One of the greatest and best known of the medieval occultists was Theophrastus Bombast von Hohenheim or, as he is generally called, Paracelsus. He belongs to that type of mysticism which may be termed scientific rather than religious. He was not so much a mystic as an occultists, being a magician rather than a saint. This work represents a biographical sketch of this occultist and his times. Contents: early life and travels; wanderings and death; as above so below, doctrine of signature; necromancy; origin of disease; magic; alchemy; astrology; comparison with other mystics; a Christian occultist.